"It: Welcome to Derry" season 1, episode 5 is titled "29 Neibolt Street," and indeed, a significant portion of the action takes place in the infamous House on Neibolt Street, also known in the "It" lore as the house that contains the well that leads to It's underground lair. However, the episode also introduces another mysterious element: the strange box Hallorann (Chris Chalk) is revealed to have kept during a flashback vision.

With Hallorann being the link between "It: Welcome to Derry" and Stephen King's "The Shining," his arc on the show is inherently interesting to fans looking for ways the show ties into King's wider lore. Fortunately, Chalk took the time to reveal some of his character's secrets pertaining to the contents of the box in an interview with The Hollywood Reporter .

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